body, html {
    width: 100%;
    height: 100%;
    background-color: #F1F1F1;
}

header {
    height: 40px;
    width: 100%;
    background-color: white;
    line-height: 40px;
    box-shadow: 0px 0px 5px 0px darkgrey;
    text-align: center;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 20;
}
header a:first-child{
    display: block;
    width: 40px;
    height: 40px;
}
header img {
    height: 17px;
    width: 10px;
    position: absolute;
    left: 15px;
    top: 12px;
}

header label {
    color: black;
    font-size: 15px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}

header .a2 {
    height: 25px;
    width: 25px;
    position: absolute;
    top: 12px;
    right: 35px;
    background-image: url("../../images/index/icons.png");
    background-size: 100px 75px;
    background-position: -50px 0px;
}

header .s {
    height: 25px;
    width: 25px;
    position: absolute;
    top: 10px;
    right: 5px;
    background-image: url("../../images/index/icons.png");
    background-size: 100px 75px;
    background-position: -25px 0px;
}

/*header END*/
#select {
    text-align: center;
    height: 30px;
    line-height: 30px;
    background-color: #fff;
    margin-top: 1px;
    color: black;
}

#selects {
    transition: all 0.6s;
    -webkit-transition: all 0.6s;
    height: 0;
    opacity: 0;
    overflow: hidden;
}

#selects p {
    background-color: #fff;
    margin-top: 1px;
    height: 30px;
    line-height: 30px;
    color: black;
    text-align: center;
}

/*select END*/
#first{
    background: #FFFFFF;
    margin-top: 40px;
    padding: 0 15px;
}
#tmain {
    overflow: hidden;
    border-bottom: 1px solid #F1F1F1;
}

#tmain .topp {
    height: 40px;
    line-height: 40px;
    color: black;
    font-size: 16px;
}
#tmain img{
    width: 100%;
}
#tmain .topp a {
    color: cornflowerblue;
    font-size: 12px;
    position: absolute;
    right: 15px;
}

#tmain > img {
    width: 100%;
    height: 140px;
}

#tmain .thenp {
    height: 30px;
    line-height: 30px;
    color: black;
    font-size: 13px;
    text-align: center;
}

/*主显文章END*/
.TOTOP {
    text-align: center;
    line-height: 36px;
    background-color: rgba(0, 0, 0, .4);
    height: 40px;
    width: 40px;
    border-radius: 3px;
    position: fixed;
    z-index: 20;
    right: 10px;
    bottom: 20px;
    opacity: 0;
    transition: all 1s;
    -webkit-transition: all 1s;
}
.TOTOP img {
    width: 70%;
}
/*回到顶部END*/